X-Men Forever 2.
When Storm, the usurper of Wakanda, plans to take over Genosha, the X-Men try to stop her, aided by the mysterious Ghost Panther, who claims to be the spirit of T'Challa, Storm's former lover and the rightful ruler of Wakanda.
More by Chris Claremont
X-Men
Shadow Moon (Chronicles of the Shadow War, Book 1)
Days of Future Past
Essential X-Men.
Essential X-Men, Vol. 3 (Marvel Essentials)
X-treme X-Men.
Essential X-Men Vol. 2
Shadow Dawn
New Mutants Classic, Vol. 1 (X-Men)
Wolverine by Claremont & Miller (Marvel Premiere Classic)
Excalibur Classic, Vol. 2
X-Men(tm) The Last Stand